<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo" >一键登录</button>
		<text class="tips-text">登录后尽享更多权益</text>
	</view>
</template>

<script>
	import {mapMutations,mapState} from 'vuex'
	export default {
		name:"my-login",
		computed:{
			...mapState('m_user',['redirectInfo'])
		},
		data() {
			return {
				
			};
		},
		methods:{
			...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
			//获取用户基本信息
			getUserInfo(e){
				this.updateUserInfo(e.detail.userInfo),
				this.getToken(e.detail)
			},
			async getToken(info){
				const [err,res] = await uni.login().catch(err=>err)
				if(err || res.errMsg !== "login:ok") return uni.$showMsg('登录失败!')
				const query = {
					code:res.code,
					encryptedData:info.encryptedData,
					rawData:info.rawData,
					iv:info.iv,
					signature:info.signature
				}
				// 这里是设置登录请求接口、返回Token的位置,由于接口无法使用,于是使用自定义的Token
				// 在公司等正式项目中会由公司会提供相关接口
				// const {data:loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
				// 后期替换起始位置
				const loginResult = {
				  "message": {
					"user_id": 23,
					"user_email_code": null,
					"is_active": null,
					"user_sex": "男",
					"user_qq": "",
					"user_tel": "",
					"user_xueli": "本科",
					"user_hobby": "",
					"user_introduce": null,
					"create_time": 1562221487,
					"update_time": 1562221487,
					"token": "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo"
				  },
				  "meta": {
					"msg": "登录成功",
					"status": 200
				  }
				}
				// 后期替换结束位置
				if(loginResult.meta.status !== 200) return uni.$showMsg('登录失败!')
				this.updateToken(loginResult.message.token)
				
				// 跳转回之前的页面
				this.navigateBack()
			},
			navigateBack(){
				if(this.redirectInfo && this.redirectInfo.openType === "switchTab"){
					uni.switchTab({
						url:this.redirectInfo.from,
						complete:() => {
							this.updateRedirectInfo(null)
						}
					})
				}
			}
		}
	}
</script>

<style lang="scss">
.login-container{
	height: 750rpx;
	background-color: #F8F8F8;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	position: relative;
	overflow: hidden;
	&::after{
		content: '';
		display: block;
		width: 100%;
		height: 40px;
		background-color: white;
		position: absolute;
		bottom: 0;
		left: 0;
		border-radius: 100%;
		transform: translateY(50%);
	}
	.btn-login{
		width: 90%;
		border-radius: 100px;
		margin: 15px 0;
		background-color: #d81e06;
	}
	.tips-text{
		font-size: 12px;
		color: gray;
	}
}
</style>